MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5
SHA3-384 hash: 0b4761d705448f6f87a8f7384b931ea56e553def8fef42230b40689c665c9f78c2b1e301f48fb7795aa44d3f8427311f
SHA1 hash: fe1d38748aa4136990cbddd0423a7051564f7baf
MD5 hash: f33ecc5b834b44c9322f46f7833032d6
humanhash: network-sad-yellow-virginia
File name:Polar.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:58'920 bytes
First seen:2025-11-18 17:23:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:UKGn0gIfvjLH0KoqcspfrK419AdSKSIHwYnouy8rys:UKa0gSUKXbNjjKnHwQoutX
TLSH T10443028492E5C6C2C6B3C33EC2BB332A1814FE526455455EBBC472FFC466F62CE0A685
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :58'920 bytes
File size (de-compressed) :144'620 bytes
Format:linux/i386
Unpacked file: c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Kills processes
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/691cac37fcbc096cc8bfd9bc/reports/f6dcd8ef-1495-4551-8028-d5e895ee726d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-18T14:49:00Z UTC
Last seen:
2025-11-19T18:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/91c301ec-b5a0-489f-9335-410485e12d6d
Behavior Graph:
Download SVG
%3 guuid=64c85492-1b00-0000-b6a2-18745a0c0000 pid=3162 /usr/bin/sudo guuid=1c762694-1b00-0000-b6a2-18745c0c0000 pid=3164 /tmp/sample.bin net guuid=64c85492-1b00-0000-b6a2-18745a0c0000 pid=3162->guuid=1c762694-1b00-0000-b6a2-18745c0c0000 pid=3164 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1c762694-1b00-0000-b6a2-18745c0c0000 pid=3164->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4eef2995-1b00-0000-b6a2-18745f0c0000 pid=3167 /tmp/sample.bin guuid=1c762694-1b00-0000-b6a2-18745c0c0000 pid=3164->guuid=4eef2995-1b00-0000-b6a2-18745f0c0000 pid=3167 clone guuid=afc3edc1-1c00-0000-b6a2-18743d0e0000 pid=3645 /tmp/sample.bin guuid=1c762694-1b00-0000-b6a2-18745c0c0000 pid=3164->guuid=afc3edc1-1c00-0000-b6a2-18743d0e0000 pid=3645 clone guuid=5252f5c1-1c00-0000-b6a2-18743f0e0000 pid=3647 /tmp/sample.bin net send-data zombie guuid=1c762694-1b00-0000-b6a2-18745c0c0000 pid=3164->guuid=5252f5c1-1c00-0000-b6a2-18743f0e0000 pid=3647 clone guuid=61383195-1b00-0000-b6a2-1874600c0000 pid=3168 /tmp/sample.bin guuid=4eef2995-1b00-0000-b6a2-18745f0c0000 pid=3167->guuid=61383195-1b00-0000-b6a2-1874600c0000 pid=3168 clone guuid=9ecc3495-1b00-0000-b6a2-1874610c0000 pid=3169 /tmp/sample.bin dns net send-data zombie guuid=4eef2995-1b00-0000-b6a2-18745f0c0000 pid=3167->guuid=9ecc3495-1b00-0000-b6a2-1874610c0000 pid=3169 clone guuid=9ecc3495-1b00-0000-b6a2-1874610c0000 pid=3169->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 4b0e4b24-021f-5743-8b5a-ce89b76b814b uraniumc2.ddns.net:69 guuid=9ecc3495-1b00-0000-b6a2-1874610c0000 pid=3169->4b0e4b24-021f-5743-8b5a-ce89b76b814b send: 10B guuid=5252f5c1-1c00-0000-b6a2-18743f0e0000 pid=3647->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1080B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=5252f5c1-1c00-0000-b6a2-18743f0e0000 pid=3647->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c85fa20d-2139-4db4-ad90-1e7c4757ddfe
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1816307
Signature
Malicious sample detected (through community Yara rule)
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816307 Sample: Polar.i686.elf Startdate: 18/11/2025 Architecture: LINUX Score: 56 26 uraniumc2.ddns.net 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 7 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Sample is packed with UPX 2->34 8 Polar.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 36 Uses dynamic DNS services 26->36 process4 process5 16 Polar.i686.elf 8->16         started        18 Polar.i686.elf 8->18         started        20 Polar.i686.elf 8->20         started        process6 22 Polar.i686.elf 16->22         started        24 Polar.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 17:25:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxcjdexqe7qayxq4tymj7z2qki3i2tb3n2nazsptz2tosehgshsq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251118-vzrwvagy7f/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/03146281-478e-46a0-80e6-2c89023f2b25
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5

(this sample)

Mirai

elf c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4

  
URLhaus
https://urlhaus.abuse.ch/url/3711495/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711498/
  
Dropping
SHA256 c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4
  
Dropping
MD5 46745abc9ff5c12b206d1dd692f8c129

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